Bicycle



FIG. 1 is a left, front perspective view of a bicycle according to ourdesign;

FIG. 2 is a left, rear perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a top view thereof.

The broken lines illustrate environmental structure that forms no partof the claimed design.

The ornamental design for a bicycle, as shown and described.